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21-01-2017
Mathematics

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Which of the following ordered pairs represents the solution to the system given below?
2x + y = 20
4x − 2y = 40

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Аноним Аноним

21-01-2017

Multiply the 1st row by 2

4x+2y=40

4x-2y=40

Subtract the 2nd row from the 1st row

4y=0
Solve for y in the above equation

4x+2×0=40
Solve for x in the above equation

x = 10

y = 0

Answer Link

InfoLoss InfoLoss

04-11-2020

Answer:

(10,0)

Step-by-step explanation:

Answer Link

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